Sentey LS-7501 Universal Black Carrying Case for Foldable Headphones with Metal Zipper, Eva Rubber, Dual Compartments, Compatible with Most Foldable Headphones, Inner Dimensions 6.75 x 5 x 3.5 inches Only for Foldable Headphones - Beats Solo 2, Beats Solo, Solo HD, Solo Wireless Sturdy and Rigid Design / Dual Compartments / Inner Dimensions: 6.75" x 5" x 3.5" Metal Zipper / Eva Rubber Compatible with all Sentey Foldable Headphones 1 year warranty